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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January, the same as December, is another cold winter month in Dumfries, Virginia, with an average temperature ranging between max 41.5°F (5.3°C) and min 27.5°F (-2.5°C). The month of January, characterized by an average high of 41.5°F (5.3°C) and a low of 27.5°F (-2.5°C), is recognized as the coldest. Weather in January »
Weather in February
February, the last month of the winter in Dumfries, is a chilly month, with an average temperature varying between 46°F (7.8°C) and 30°F (-1.1°C). As Dumfries welcomes February, the average high-temperature records at a chilly 46°F (7.8°C), marking an insignificant deviation from the prior month. Weather in February »
Weather in March
The first month of the spring, March, is a cool month in Dumfries, Virginia, with an average temperature ranging between max 54.1°F (12.3°C) and min 37°F (2.8°C). As March sets, the average high-temperature shows a slight increase, moving up from a chilly 46°F (7.8°C) in February to a fresh 54.1°F (12.3°C). Weather in March »
Weather in April
April is a refreshing spring month in Dumfries, Virginia, with temperature in the range of an average low of 46.9°F (8.3°C) and an average high of 66.2°F (19°C). The shift into April is characterized by a rise in the average high-temperature, transitioning from March's fresh 54.1°F (12.3°C) to an enjoyable 66.2°F (19°C). Weather in April »
Weather in May
May, the last month of the spring in Dumfries, is a warm month, with an average temperature varying between 56.3°F (13.5°C) and 75.6°F (24.2°C). The transition from April to May brings a temperature rise, with average high-temperatures increasing from a refreshing 66.2°F (19°C) to a warm 75.6°F (24.2°C). Weather in May »
Weather in June
The first month of the summer, June, is also a moderately hot month in Dumfries, Virginia, with temperature in the range of an average low of 63.7°F (17.6°C) and an average high of 83.5°F (28.6°C). As May transitions into June, a subtle temperature shift is observed, with average highs adjusting from a moderately hot 75.6°F (24.2°C) to a still warm 83.5°F (28.6°C). Weather in June »
Weather in July
July is a tropical summer month in Dumfries, Virginia, with an average temperature varying between 67.8°F (19.9°C) and 88.7°F (31.5°C). In Dumfries, the average temperatures in July are the highest, with a peak at 88.7°F (31.5°C) and a low of 67.8°F (19.9°C). The heat index value during July is calculated to be an extremely hot 104°F (40°C). Weather in July »
Weather in August
The last month of the summer, August, is another hot month in Dumfries, Virginia, with an average temperature varying between 66°F (18.9°C) and 86.2°F (30.1°C). During August, Dumfries observes a subtle ascent to a still tropical 86.2°F (30.1°C) from July's 88.7°F (31.5°C) in the average high-temperature. Weather in August »
Weather in September
The first month of the autumn, September, is also a moderately hot month in Dumfries, Virginia, with an average temperature ranging between max 79.3°F (26.3°C) and min 61°F (16.1°C). The commencement of September indicates a gentle shift in the average high-temperature, receding from August's hot 86.2°F (30.1°C) to a warm 79.3°F (26.3°C). Weather in September »
Weather in October
October, like September, in Dumfries, Virginia, is another refreshing autumn month, with an average temperature fluctuating between 67.1°F (19.5°C) and 50.5°F (10.3°C). The decrease of average high-temperatures is mild in October, with a decline from a warm 79.3°F (26.3°C) in September to a refreshing 67.1°F (19.5°C). Weather in October »
Weather in November
The last month of the autumn, November, is another cool month in Dumfries, Virginia, with an average temperature varying between 55.2°F (12.9°C) and 39°F (3.9°C). The arrival of November corresponds with a temperature reduction, down from October's enjoyable 67.1°F (19.5°C) to a fresh 55.2°F (12.9°C). Weather in November »
Weather in December
The first month of the winter, December, is still a chilly month in Dumfries, Virginia, with temperature in the range of an average high of 46.9°F (8.3°C) and an average low of 33.6°F (0.9°C). A minor decrease in the average high-temperature is observed during December, shifting from a fresh 55.2°F (12.9°C) in November to a frosty 46.9°F (8.3°C). Weather in December »
[Resources]Frequently asked questions
What are the coldest months in Dumfries?
January is the coldest month of the year in Dumfries, registering average temperatures as high as 41.5°F (5.3°C) and as low as 27.5°F (-2.5°C).
What are the least humid months in Dumfries?
The months with the lowest humidity in Dumfries, Virginia, are January, April and July, with an average relative humidity of 73%.
What is the driest month in Dumfries?
The month with the least rainfall in Dumfries, Virginia, is January, when the rain falls for 9.4 days and typically collects 1.97" (50mm) of precipitation.
How much does it rain in Dumfries?
In Dumfries, Virginia, during the entire year, the rain falls for 155.6 days and collects up to 31.61" (803mm) of precipitation.
When does it snow in Dumfries?
Months with snowfall are January through April, November and December.
When does it snow the most in Dumfries?
The month with the most snowfall in Dumfries, Virginia, is January, when snow falls for 4.9 days and typically aggregates up to 2.52" (64mm) of snow.
How many days does it snow in Dumfries?
Throughout the year, in Dumfries, Virginia, there are 13.5 snowfall days, and 8.23" (209mm) of snow is accumulated.
What is the month with the lowest UV index in Dumfries?
The months with the lowest UV index in Dumfries, Virginia, are January, February, November and December, with an average maximum UV index of 2.
What are the months with the least sunshine in Dumfries?
The months with the least sunshine in Dumfries, Virginia, are February and December, with an average of 5.1h of sunshine.
When is Daylight Saving Time (DST) in Dumfries?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from EDT to EST.
When it does not snow in Dumfries?
In Dumfries, snow does not fall in May through October.
What are the months with the highest UV index in Dumfries?
The months with the highest UV index are May through August, with an average maximum UV index of 6.
When are the longest days in Dumfries?
With an average of 14h and 48min of daylight, June has the longest days of the year in Dumfries, Virginia.
What part of the year is the hottest in Dumfries?
Dumfries's July weather reaches an average high of 88.7°F (31.5°C) and an average low of 67.8°F (19.9°C), making it the warmest month.
What month has the most sunshine in Dumfries?
July has the most sunshine of the year in Dumfries, with an average of 10.5h of sunshine.
What is the rainiest month in Dumfries?
August is the month with the most rainfall in Dumfries, Virginia. Rain falls for 16 days and accumulates 3.66" (93mm) of precipitation.
What is the most humid month in Dumfries?
October and December, with an average relative humidity of 78%, are most humid months in Dumfries, Virginia.
What is the month with the shortest days in Dumfries?
With an average of 9h and 30min of daylight, December has the shortest days of the year in Dumfries.
Average temperature
Dumfries, VA
The warmest month (with the highest average high temperature) is July (88.7°F).
The month with the lowest average high temperature is January (41.5°F).
The month with the highest average low temperature is July (67.8°F).
The coldest month (with the lowest average low temperature) is January (27.5°F).
Average pressure
Dumfries, VA
- Average pressure in January:
30.11"Hg - Average pressure in February:
30.08"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
29.99"Hg - Average pressure in May:
30.01"Hg - Average pressure in June:
29.95"Hg
- Average pressure in July:
29.97"Hg - Average pressure in August:
29.99"Hg - Average pressure in September:
30.05"Hg - Average pressure in October:
30.04"Hg - Average pressure in November:
30.14"Hg - Average pressure in December:
30.11"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed
Dumfries, VA
- Average wind speed in January:
6.7mph - Average wind speed in February:
6.9mph - Average wind speed in March:
7.1mph - Average wind speed in April:
7.1mph - Average wind speed in May:
6mph - Average wind speed in June:
5.5mph
- Average wind speed in July:
4.8mph - Average wind speed in August:
4.7mph - Average wind speed in September:
5.3mph - Average wind speed in October:
6.2mph - Average wind speed in November:
6.3mph - Average wind speed in December:
6.1mph
The windiest months (with the highest average wind speed) are March and April (7.1mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity
Dumfries, VA
The months with the highest relative humidity are October and December (78%).
The months with the lowest relative humidity are January, April and July (73%).
Average rainfall
Dumfries, VA
- Average rainfall in January:
1.97" - Average rainfall in February:
2.17" - Average rainfall in March:
2.56" - Average rainfall in April:
2.87" - Average rainfall in May:
3.15" - Average rainfall in June:
2.72"
The wettest month (with the highest rainfall) is August (3.66").
The driest month (with the least rainfall) is January (1.97").
Average rainfall days
Dumfries, VA
- Average rainfall days in January:
9.4 days - Average rainfall days in February:
11.3 days - Average rainfall days in March:
14.2 days - Average rainfall days in April:
15.8 days - Average rainfall days in May:
16.9 days - Average rainfall days in June:
14.2 days
- Average rainfall days in July:
15.9 days - Average rainfall days in August:
16 days - Average rainfall days in September:
11.5 days - Average rainfall days in October:
11.3 days - Average rainfall days in November:
8.7 days - Average rainfall days in December:
10.4 days
The month with the highest number of rainy days is May (16.9 days).
The month with the least rainy days is November (8.7 days).
Average snowfall
Dumfries, VA
The month with the highest snowfall is January (2.52").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Dumfries, VA
- Average snowfall days in January:
4.9 days - Average snowfall days in February:
3.9 days - Average snowfall days in March:
2.4 days - Average snowfall days in April:
0.2 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0 days - Average snowfall days in November:
0.3 days - Average snowfall days in December:
1.8 days
The month with the highest number of snowfall days is January (4.9 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Dumfries, VA
- Average daylight in January:
9h and 5min - Average daylight in February:
10h and 5min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 1min - Average daylight in May:
14h and 2min - Average daylight in June:
14h and 5min
- Average daylight in July:
14h and 3min - Average daylight in August:
13h and 4min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 1min - Average daylight in November:
10h and 1min - Average daylight in December:
9h and 3min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in January:
5h and 2min - Average sunshine in February:
5h and 1min - Average sunshine in March:
6h and 4min - Average sunshine in April:
8h and 5min - Average sunshine in May:
8h and 5min - Average sunshine in June:
10h and 1min
- Average sunshine in July:
10h and 3min - Average sunshine in August:
10h and 0min - Average sunshine in September:
8h and 4min - Average sunshine in October:
5h and 4min - Average sunshine in November:
5h and 5min - Average sunshine in December:
5h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The months with the least sunshine are February and December (Average sunshine: 5h and 6min).
Average sunshine days
Dumfries, VA
- Average sunshine days in January:
17.5 days - Average sunshine days in February:
14.4 days - Average sunshine days in March:
14.2 days - Average sunshine days in April:
12.8 days - Average sunshine days in May:
11.5 days - Average sunshine days in June:
14.1 days
- Average sunshine days in July:
12.4 days - Average sunshine days in August:
13.1 days - Average sunshine days in September:
17.2 days - Average sunshine days in October:
18.6 days - Average sunshine days in November:
20 days - Average sunshine days in December:
17.8 days
The month with the most sunshine days is November (20 days).
The month with the least sunshine days is May (11.5 days).
Average UV index
Dumfries, VA
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover
Dumfries, VA
The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility
Dumfries, VA
The months with the highest visibility are January, February, March, April, June, July, August, October, November and December (6mi).
The months with the lowest visibility are May and September (5mi).
Dumfries, Virginia, USA
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